Barrett Williams, PhD

  • Tulsa, OK
  • Health service psychologist
NPI1154474054PAC ID9931631124
Affiliated sites
1
Medical group
1
State license
1
Year NPI issued
2007
Practice address
802 S Jackson Ave, Tulsa, OK 74127
Practice phone
Call (918) 561-5701
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

OSU Physicians

Tulsa, Oklahoma

See all 3 affiliations

Find Barrett Williams' professional email, personal email and mobile number

Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.

View contacts for free

Barrett Williams is a health service psychologist in Tulsa, Oklahoma

Barrett Williams practices at OSU Physicians in Tulsa, Oklahoma.

Barrett Williams' NPI, 1154474054, was assigned on January 22, 2007. Barrett Williams holds Oklahoma license 1466.

NPI and contact details
Medicare PAC ID
9931631124
NPI enumeration date
January 22, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(918) 561-5701
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
29
Medical school graduation
2023

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Barrett Williams practices at OSU Physicians in Tulsa, Oklahoma

Barrett Williams' primary practice is OSU Physicians, at 802 S Jackson Ave, Tulsa, OK 74127 in Tulsa County. The practice phone is (918) 561-5701.

  • OSU Physicians
    802 S Jackson Ave, Tulsa, OK 74127 · Tulsa CountyPhone(918) 561-5701

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Barrett Williams is affiliated with 2 sites of care and 1 medical group

Barrett Williams' primary practice is OSU Physicians in Tulsa, Oklahoma. The medical group on file is OSU Speech-Language-Hearing Clinic. Dmand AI also links Barrett Williams to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Barrett Williams

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Barrett Williams' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Barrett Williams practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
OSU PhysiciansAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Barrett Williams practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

Barrett Williams is one of 18 health service psychologists in Oklahoma

Psychologist is Barrett Williams' primary specialty in the NPI Registry, under taxonomy code 103TH0100X. The record also lists health service. Barrett Williams is licensed in Oklahoma.

Specialties and state licenses

  • Health service psychologist, OklahomaPrimaryLicense 1466 · taxonomy 103TH0100X

Health service psychologists near Barrett Williams

Counts of health service psychologists with a Dmand AI profile, by place and practice. Each opens the list.

18health service psychologists in Oklahoma
3health service psychologists in Tulsa

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Barrett Williams' patients have a median age of 45

Across all payers, Dmand AI patient panel data puts Barrett Williams' median patient age at 45, with 65% women.

Barrett Williams' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 45

Patient panel by sex, all payers

  • Women65%
  • Men35%

Source: Dmand AI Patient Panel Data

How Barrett Williams takes part in Medicare

Barrett Williams accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

Sources for Barrett Williams's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Barrett Williams

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Barrett Williams' NPI number?

Barrett Williams' NPI number is 1154474054. It was assigned on January 22, 2007, and it is active in the NPI Registry.

What does Barrett Williams specialize in?

Barrett Williams is a health service psychologist in Tulsa, Oklahoma. The primary specialty in the NPI Registry is Health Service Psychologist (taxonomy code 103TH0100X).

Where does Barrett Williams practice?

Barrett Williams practices at 802 S Jackson Ave, Tulsa, OK 74127. Barrett Williams' primary practice is OSU Physicians in Tulsa, Oklahoma. Dmand AI also links Barrett Williams to 1 group practice or clinic.

What is Barrett Williams' office phone number?

The practice phone on file for Barrett Williams is (918) 561-5701.

What is Barrett Williams' medical license number?

Barrett Williams holds Oklahoma license 1466.

What medical group is Barrett Williams part of?

Barrett Williams is linked to OSU Speech-Language-Hearing Clinic.

Does Barrett Williams accept Medicare?

Yes. CMS lists Barrett Williams as accepting Medicare assignment.

How long has Barrett Williams been practicing?

Barrett Williams graduated from medical school in 2023, 3 years ago.

Selling to psychologist practices?

See health service psychologists in Oklahoma by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)